Title:
希土類元素の分離回収方法
Document Type and Number:
Japanese Patent JP5835349
Kind Code:
B2
Abstract:
A method for separating and recovering a plurality of rare-earth elements, the method including a step of introducing, into a liquid, a mixture containing a rare-earth oxychloride and a rare-earth chloride, the rare-earth oxychloride constituted from a rare-earth element different from a rare-earth element constituting the rare-earth chloride, thereby obtaining an insoluble matter containing the rare-earth oxychloride and a liquid in which the rare-earth chloride is dissolved, a step of recovering the rare-earth oxychloride from the insoluble matter, and a step of recovering the rare-earth chloride from the liquid in which the rare-earth chloride is dissolved.
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Inventors:
Motoyuki Miyata
Hiroki Yamamoto
Hiroshi Sasaki
Toshio Yasuda
Katsura Furusawa
Hiroki Yamamoto
Hiroshi Sasaki
Toshio Yasuda
Katsura Furusawa
Application Number:
JP2013552407A
Publication Date:
December 24, 2015
Filing Date:
December 21, 2012
Export Citation:
Assignee:
Hitachi Metals Co., Ltd.
International Classes:
C22B59/00; B09B3/00; C01F17/17; C01F17/224; C01F17/259; C01F17/271; C22B3/20; C22B7/00
Domestic Patent References:
| JP10204554A | ||||
| JP2011001584A | ||||
| JP2011074408A | ||||
| JP10510879A |
Attorney, Agent or Firm:
Polaire Patent Business Corporation
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